************************************************************************/
// Some security stuff...
-if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
-{
- $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
- require($INC);
+if (!defined('__SECURITY')) {
+ $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
+ require($INC);
}
+
// Caching class
class mxchange_cache
{
- // Define variables
- var $update_interval = 0;
- var $ret = "init";
- var $cache_path = "";
- var $cache_inc = "";
- var $cache_ctime = 0;
- var $cache_pointer = false;
-
- // Constructor
- function mxchange_cache($interval, $path, $tested) {
- // Remember interval in class
- $this->update_interval=$interval;
-
- // Remeber path
- $this->cache_path=$path;
-
- // Check if path exists
- if ((file_exists($path)) && (is_dir($path)) && (!$tested))
- {
- // Check if we can create a file inside the path
- @touch($path."dummy.tmp", 'w');
- if (file_exists($path."dummy.tmp"))
- {
- // Yes, we can do. So let's remove it
- unlink($path."dummy.tmp");
-
- // Is there a .htaccess file?
- if (file_exists($path.".htaccess"))
- {
- // Update database that we have tested it
- $result = SQL_QUERY("UPDATE "._MYSQL_PREFIX."_config SET cache_tested='1' WHERE config='0' LIMIT 1", __FILE__, __LINE__);
- $this->ret="done";
-
- // All done!
- return "done";
- }
- else
- {
- // Stop! Set a .htaccess file first
- $this->ret="htaccess";
- return "htaccess";
- }
- }
- }
- elseif ($tested)
- {
- // System already tested
- $this->ret="done";
- return "done";
- }
-
- // Something goes wrong here!
- $this->ret="failed";
- return "failed";
- }
-
- function cache_file($file, $ignore_ctime=false)
- {
- global $INC;
- // Construct FQFN (full qualified file name)
- $inc = $this->cache_path.$file.".cache";
-
- // Rember it + filename in class
- $this->cache_inc = $inc;
-
- // Check if file exists
- $status = (file_exists($inc) && (is_readable($inc)) && (is_writeable($inc)));
- if ($status)
- {
- // Yes, it does. So let's get it's last changed date/time
- $ctime = filectime($inc);
- }
- else
- {
- // No, it doesn't. Zero date/time
- $ctime = "0";
- }
-
- // Remember change date/time in class
- $this->cache_ctime = $ctime;
-
- // Is the cache file outdated?
- if (((time() - $ctime) >= $this->update_interval) && (!$ignore_ctime))
- {
- // Ok, we need an update!
- $status = false;
- }
- return $status;
- }
-
- function cache_init($array)
- {
- // This will destory an existing cache file!
- if ($this->ret == "done")
- {
- // Create file
- if (file_exists($this->cache_inc)) @chmod($this->cache_inc, 0666);
- $fp = @fopen($this->cache_inc, 'w') or mxchange_die("Cannot write to cache ".$this->cache_inc." !");
-
- // Begin of cache file
- fwrite($fp, "\$ARRAY = \"".$array."\";\n\n");
-
- // Remember file pointer
- $this->cache_pointer = $fp;
- }
- else
- {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function add_row($data)
- {
- if ($this->cache_pointer)
- {
- // Write every array element to cache file
- foreach ($data as $k=>$v)
- {
- @fwrite($this->cache_pointer, "\$CACHE['".$k."'][] = \"".$v."\";\n");
- }
- }
- else
- {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_close()
- {
- // Quit function when no pointer is set
- if (empty($this->cache_pointer)) return;
- if ($this->cache_pointer)
- {
- // Close file add destroy handler
- @fclose($this->cache_pointer);
-
- // Set rights
- if (file_exists($this->cache_inc)) @chmod($this->cache_inc, 0666);
-
- // Remove pointer
- unset($this->cache_pointer);
- }
- else
- {
- // Cannot create file
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_load()
- {
- if ((file_exists($this->cache_inc)) && (is_readable($this->cache_inc)))
- {
- // Prepare temporay array
- $CACHE = array();
- // Load cache file
- $cache = implode("", file($this->cache_inc));
- // Execute cache file
- eval($cache);
- if (is_array($CACHE))
- {
- return $CACHE;
- }
- else
- {
- // Cache problem detected!
- $this->cache_destroy();
- }
- }
- else
- {
- // Cache file not found or not readable
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_LOAD_1.$this->cache_inc.CACHE_CANNOT_LOAD_2);
- }
- }
-
- function cache_destroy()
- {
- if (file_exists($this->cache_inc))
- {
- // Remove cache file from system
- @unlink($this->cache_inc);
- if (!file_exists($this->cache_inc))
- {
- // Close cache automatically (we don't need it anymore!)
- $this->cache_close();
- }
- else
- {
- // Not removed!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
- }
- }
- else
- {
- // Does not exist!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
- }
- }
-
- function cache_remove($search, $data, $array)
- {
- global $ARRAY;
- if ((file_exists($this->cache_inc)) && (is_writeable($this->cache_inc)))
- {
- // Load cache into dummy array
- $DUMMY = $this->cache_load();
-
- // Search for key in array
- $key = array_search($data, $DUMMY[$search]);
- if (!empty($key))
- {
- // Key (hopefully) found?
- foreach ($array as $a)
- {
- // So we can remove all elements as requested
- unset($DUMMY[$a][$key]);
- }
-
- // Flush array to cache file
- $fp = fopen($this->cache_inc, 'w');
- fwrite($fp, "\$ARRAY = \"".$ARRAY."\";\n");
- foreach ($DUMMY as $k=>$v)
- {
- if (is_array($v))
- {
- // Multi line(s) found
- $LINE = "";
- foreach($v as $k2=>$v2)
- {
- // Put every array element in a row...
- $LINE .= "\$CACHE['".$k."'][] = \"".$v2."\";\n";
- }
- }
- else
- {
- // Single line found
- $LINE = "\$CACHE['".$k."'] = \"".$v."\";\n";
- }
-
- // Write line(s)
- fwrite($fp, $LINE);
- }
-
- // Close cache file
- fclose($fp);
- }
- }
- else
- {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
-
- function cache_replace($search, $replace, $search_key, $array)
- {
- global $ARRAY;
- if ((file_exists($this->cache_inc)) && (is_writeable($this->cache_inc)))
- {
- // Load cache into dummy array
- $DUMMY = $this->cache_load();
-
- // Check if $DUMMY is valid (prevents some errors)
- if ((is_array($DUMMY)) && (is_array($DUMMY[$search])))
- {
- // Search for key in array
- $key_found = array_key_exists($search_key, $DUMMY[$search]);
- if ($key_found == true)
- {
- $key = $search_key;
- // Key (hopefully) found?
- foreach ($DUMMY as $a=>$v)
- {
- // So we can update all entries
- if ($a == $search)
- {
- // Update now...
- $DUMMY[$a][$search_key] = $replace;
- }
- }
-
- // Flush array to cache file
- $fp = fopen($this->cache_inc, 'w');
- fwrite($fp, "\$DUMMY = \"".$ARRAY."\";\n");
- foreach ($DUMMY as $k=>$v)
- {
- if (is_array($v))
- {
- // Multi line(s) found
- $LINE = "";
- foreach($v as $k2=>$v2)
- {
- // Put every array element in a row...
- $LINE .= "\$CACHE['".$k."'][] = \"".$v2."\";\n";
- }
- }
- else
- {
- // Single line found
- $LINE = "\$CACHE['".$k."'] = \"".$v."\";\n";
- }
-
- // Write line(s)
- fwrite($fp, $LINE);
- }
-
- // Close cache file
- fclose($fp);
- }
- }
- }
- else
- {
- // Cannot write to cache!
- ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
- }
- }
+ // Define variables
+ var $update_interval = 0;
+ var $ret = "init";
+ var $cache_path = "";
+ var $cache_inc = "";
+ var $cache_ctime = 0;
+ var $cache_pointer = false;
+ var $cache_data = "";
+ var $cache_version = "";
+
+ // Constructor
+ function mxchange_cache($interval, $path, $tested) {
+ // Failed is the default
+ $this->ret = "failed";
+
+ // Remember interval in class
+ $this->update_interval = $interval;
+
+ // Remeber path
+ $this->cache_path = $path;
+
+ // Check if path exists
+ if ((is_dir($path)) && (!$tested)) {
+ // Check if we can create a file inside the path
+ @touch($path."dummy.tmp", 'w');
+ if (FILE_READABLE($path."dummy.tmp")) {
+ // Yes, we can do. So let's remove it
+ @unlink($path."dummy.tmp");
+
+ // Is there a .htaccess file?
+ if (FILE_READABLE($path.".htaccess")) {
+ // Update database that we have tested it
+ UPDATE_CONFIG("cache_tested", 1);
+
+ // All done!
+ $this->ret = "done";
+ } else {
+ // Stop! Set a .htaccess file first
+ $this->ret = "htaccess";
+ }
+ }
+ } elseif ($tested) {
+ // System already tested
+ $this->ret = "done";
+ }
+ }
+
+ function cache_file($file, $ignore_ctime=false) {
+ global $INC;
+ // Construct FQFN (full qualified file name)
+ $inc = $this->cache_path.$file.".cache";
+
+ // Rember it + filename in class
+ $this->cache_inc = $inc;
+
+ // Check if file exists
+ $status = (FILE_READABLE($inc) && (is_writeable($inc)));
+ if ($status) {
+ // Yes, it does. So let's get it's last changed date/time
+ $ctime = filectime($inc);
+ } else {
+ // No, it doesn't. Zero date/time
+ $ctime = 0;
+ }
+
+ // Remember change date/time in class
+ $this->cache_ctime = $ctime;
+
+ // Is the cache file outdated?
+ if (((time() - $ctime) >= $this->update_interval) && (!$ignore_ctime)) {
+ // Ok, we need an update!
+ $status = false;
+ }
+
+ // Return status
+ return $status;
+ }
+
+ function cache_init($array) {
+ // This will destory an existing cache file!
+ if ($this->ret == "done") {
+ // Create file
+ if (FILE_READABLE($this->cache_inc)) @chmod($this->cache_inc, 0666);
+ $fp = @fopen($this->cache_inc, 'w') or mxchange_die("Cannot write to cache ".$this->cache_inc." !");
+
+ // Begin of cache file
+ fwrite($fp, "\$ARRAY = \"".$array."\";\n\n");
+
+ // Remember file pointer
+ $this->cache_pointer = $fp;
+ } else {
+ // Cannot create file
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ }
+ }
+
+ function add_row ($data) {
+ global $cacheArray;
+
+ if (is_resource($this->cache_pointer)) {
+ // Write every array element to cache file
+ foreach ($data as $k => $v) {
+ // Write global cache array for immediate access
+ if ((substr($k, 0, 4) == "ext_") && (isset($data['ext_name'])) && (isset($data['ext_id']))) {
+ if ($k != "ext_name") {
+ $cacheArray['extensions'][$k][$data['ext_name']] = $v;
+ } else {
+ $cacheArray['extensions'][$k][$data['ext_id']] = $v;
+ }
+ if (($k == "ext_keep") && ($v == "Y")) {
+ $cacheArray['active_extensions'][$data['ext_name']] = $v;
+ } // END - if
+ } elseif (is_array($v)) {
+ // Serialize and BASE64-encode the array
+ $v = base64_encode(serialize($v));
+ }
+
+ // Write cache line to file
+ @fwrite($this->cache_pointer, $this->add_raw_row($k, $v));
+ }
+ } else {
+ // Cannot create file
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ }
+ }
+
+ function cache_close()
+ {
+ // Quit function when no pointer is set
+ if (empty($this->cache_pointer)) return;
+ if ($this->cache_pointer)
+ {
+ // Close file add destroy handler
+ @fclose($this->cache_pointer);
+
+ // Set rights
+ if (FILE_READABLE($this->cache_inc)) @chmod($this->cache_inc, 0666);
+
+ // Remove pointer
+ unset($this->cache_pointer);
+ }
+ else
+ {
+ // Cannot create file
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ }
+ }
+
+ function cache_load() {
+ // Is the cache file there?
+ if (FILE_READABLE($this->cache_inc)) {
+ // Prepare temporary array
+ $data = array();
+ $cache_version = null;
+
+ // Load cache file
+ $this->cache_data = implode("", file($this->cache_inc));
+
+ // Execute cache file
+ eval($this->cache_data);
+
+ if (is_array($data)) {
+ // Cache data
+ $this->cache_data = $data;
+
+ // Cache version found?
+ if ((isset($cache_version)) && (is_array($cache_version))) {
+ // Remember it as well...
+ $this->cache_version = $cache_version;
+ } // END - if
+
+ // Return cache
+ return $this->cache_data;
+ } else {
+ // Cache problem detected!
+ $this->cache_destroy();
+ }
+ } else {
+ // Cache file not found or not readable
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_LOAD_1.$this->cache_inc.CACHE_CANNOT_LOAD_2);
+ }
+ }
+
+ function cache_destroy()
+ {
+ if (FILE_READABLE($this->cache_inc))
+ {
+ // Remove cache file from system
+ @unlink($this->cache_inc);
+ if (!FILE_READABLE($this->cache_inc))
+ {
+ // Close cache automatically (we don't need it anymore!)
+ $this->cache_close();
+ }
+ else
+ {
+ // Not removed!
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
+ }
+ }
+ else
+ {
+ // Does not exist!
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_CANNOT_UNLINK_1.$this->cache_inc.CACHE_CANNOT_UNLINK_2);
+ }
+ }
+
+ function cache_remove($search, $data, $array)
+ {
+ global $ARRAY;
+ if ((FILE_READABLE($this->cache_inc)) && (is_writeable($this->cache_inc))) {
+ // Load cache into dummy array
+ $dummy = $this->cache_load();
+
+ // Search for key in array
+ $key = array_search($data, $dummy[$search]);
+ if (!empty($key)) {
+ // Key (hopefully) found?
+ foreach ($array as $a) {
+ // So we can remove all elements as requested
+ unset($dummy[$a][$key]);
+ }
+
+ // Flush array to cache file
+ $fp = fopen($this->cache_inc, 'w');
+ fwrite($fp, "\$ARRAY = \"".$ARRAY."\";\n");
+ foreach ($dummy as $k => $v) {
+ if (is_array($v)) {
+ // Multi line(s) found
+ $LINE = "";
+ foreach($v as $k2 => $v2) {
+ // Put every array element in a row...
+ $LINE .= $this->add_raw_row($k, $v2);
+ }
+ } else {
+ // Single line found
+ $LINE = $this->add_raw_row($k, $v);
+ }
+
+ // Write line(s)
+ fwrite($fp, $LINE);
+ }
+
+ // Close cache file
+ fclose($fp);
+ }
+ } else {
+ // Cannot write to cache!
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ }
+ }
+
+ function cache_replace($search, $replace, $search_key, $array)
+ {
+ global $ARRAY;
+ if ((FILE_READABLE($this->cache_inc)) && (is_writeable($this->cache_inc)))
+ {
+ // Load cache into dummy array
+ $dummy = $this->cache_load();
+
+ // Check if $dummy is valid (prevents some errors)
+ if ((is_array($dummy)) && (isset($dummy[$search])) && (is_array($dummy[$search]))) {
+ // Search for key in array
+ $key_found = array_key_exists($search_key, $dummy[$search]);
+ if ($key_found == true) {
+ $key = $search_key;
+ // Key (hopefully) found?
+ foreach ($dummy as $a => $v) {
+ // So we can update all entries
+ if ($a == $search) {
+ // Update now...
+ $dummy[$a][$search_key] = $replace;
+ }
+ }
+
+ // Flush array to cache file
+ $fp = fopen($this->cache_inc, 'w');
+ fwrite($fp, "\$dummy = \"".$ARRAY."\";\n");
+ foreach ($dummy as $k => $v) {
+ if (is_array($v)) {
+ // Multi line(s) found
+ $LINE = "";
+ foreach($v as $k2 => $v2) {
+ // Put every array element in a row...
+ $LINE .= $this->add_raw_row($k, $v2);
+ }
+ } else {
+ // Single line found
+ $LINE = $this->add_raw_row($k, $v);
+ }
+
+ // Write line(s)
+ fwrite($fp, $LINE);
+ }
+
+ // Close cache file
+ fclose($fp);
+ }
+ }
+ } else {
+ // Cannot write to cache!
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ }
+ }
+
+ function store_extension_version ($ext_name) {
+ // Valid cache pointer?
+ if (is_resource($this->cache_pointer)) {
+ // Get extension version
+ $ext_ver = GET_EXT_VERSION($ext_name);
+
+ // Write cache line to file
+ @fwrite($this->cache_pointer, "\$cache_version['".$ext_name."'] = \"".$ext_ver."\";\n");
+ } else {
+ // Cannot create file
+ ADD_FATAL(__FILE__."(".__LINE__."): ".CACHE_PROBLEMS_DETECTED);
+ }
+ }
+
+ function ext_version_matches ($ext_name) {
+ // Load cache (dummy)
+ $this->cache_load();
+
+ // Get extension version
+ $ext_ver = GET_EXT_VERSION($ext_name);
+
+ //* DEBUG: */ echo __METHOD__.": ext_name={$ext_name},ext_ver={$ext_ver},cache_version={$this->cache_version}<br />\n";
+ // Compare both
+ return ((isset($this->cache_version[$ext_name])) && ($this->cache_version[$ext_name] == $ext_ver));
+ }
+
+ function add_raw_row ($key, $value) {
+ // Init line
+ $line = "";
+
+ // String or non-string? ;-)
+ if (is_string($value)) {
+ // String...
+ $line = "\$data['".$key."'][] = \"".$value."\";\n";
+ } else {
+ // Non-string
+ $line = "\$data['".$key."'][] = ".$value.";\n";
+ }
+
+ // Return line
+ return $line;
+ }
+
+ function getStatus () {
+ return $this->ret;
+ }
}
//
?>